The licensing of Realify PaperOffice DMS Starter, Basic, Business and Corporate is always "Named User", means - you need a valid license for each workstation.
A distriction is made between single-user and network licenses:

If you want to install Realify PaperOffice DMS on multiple PCs, which are independent of each other, you need single-user licenses.

If you need licenses, which are working together in a network,you need network licenses.